/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
    --primary: #0f0f23;
    --primary-light: #1e1e3f;
    --primary-mid: #2a2a5a;
    --secondary: #f0a500;
    --secondary-hover: #d49400;
    --secondary-light: #ffe08a;
    --accent: #e94560;
    --accent-hover: #d13550;
    --bg: #f8f9fc;
    --bg-card: #ffffff;
    --bg-dark: #0a0a1a;
    --bg-section: #f0f2f8;
    --text: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-light: #7a7a9a;
    --text-white: #ffffff;
    --border: #e6e8f0;
    --border-light: #f0f2f8;
    --shadow-sm: 0 2px 8px rgba(15, 15, 35, 0.06);
    --shadow: 0 4px 20px rgba(15, 15, 35, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 15, 35, 0.12);
    --shadow-hover: 0 8px 32px rgba(15, 15, 35, 0.18);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --container: 1200px;
    --nav-height: 72px;
    --section-gap: 100px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 0.8rem; color: var(--text-secondary); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-gap) 0; }
.section-label { display: inline-block; font-size: 0.85rem; font-weight: 600; color: var(--secondary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px; }
.section-title { margin-bottom: 16px; }
.section-desc { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin-bottom: 48px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ===== 导航 ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--nav-height); background: rgba(15, 15, 35, 0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
.header.scrolled { background: rgba(15, 15, 35, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.header-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.5px; }
.header-logo i { color: var(--secondary); font-size: 1.6rem; }
.header-logo span { background: linear-gradient(135deg, #fff 60%, var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header-nav { display: flex; align-items: center; gap: 32px; }
.header-nav a { font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.7); padding: 6px 0; position: relative; transition: var(--transition); }
.header-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--secondary); transition: var(--transition); border-radius: 2px; }
.header-nav a:hover { color: var(--text-white); }
.header-nav a:hover::after { width: 100%; }
.header-nav a.active { color: var(--text-white); }
.header-nav a.active::after { width: 100%; background: var(--secondary); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-search { display: flex; align-items: center; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); border-radius: 50px; padding: 6px 16px 6px 20px; transition: var(--transition); }
.header-search:focus-within { background: rgba(255,255,255,0.14); border-color: var(--secondary); box-shadow: 0 0 20px rgba(240,165,0,0.1); }
.header-search input { background: none; border: none; outline: none; color: var(--text-white); font-size: 0.9rem; width: 140px; padding: 4px 0; }
.header-search input::placeholder { color: rgba(255,255,255,0.35); }
.header-search button { color: rgba(255,255,255,0.5); font-size: 0.9rem; padding: 4px 0 4px 12px; transition: var(--transition); }
.header-search button:hover { color: var(--secondary); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--secondary); color: var(--primary); font-weight: 700; font-size: 0.9rem; padding: 10px 24px; border-radius: 50px; transition: var(--transition); letter-spacing: 0.3px; }
.header-cta:hover { background: var(--secondary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,165,0,0.3); }
.header-cta i { font-size: 0.85rem; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text-white); border-radius: 2px; transition: var(--transition); }
.mobile-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero 首屏 ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--bg-dark); overflow: hidden; padding-top: var(--nav-height); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.3; transform: scale(1.05); animation: heroZoom 20s ease-in-out infinite alternate; }
@keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.15); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,15,35,0.92) 0%, rgba(15,15,35,0.6) 50%, rgba(15,15,35,0.4) 100%); }
.hero-particles { position: absolute; inset: 0; overflow: hidden; }
.hero-particles span { position: absolute; width: 4px; height: 4px; background: var(--secondary); border-radius: 50%; opacity: 0.15; animation: float 12s infinite; }
.hero-particles span:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; width: 6px; height: 6px; }
.hero-particles span:nth-child(2) { top: 30%; left: 80%; animation-delay: 2s; }
.hero-particles span:nth-child(3) { top: 60%; left: 20%; animation-delay: 4s; width: 5px; height: 5px; }
.hero-particles span:nth-child(4) { top: 75%; left: 70%; animation-delay: 6s; }
.hero-particles span:nth-child(5) { top: 45%; left: 50%; animation-delay: 3s; width: 3px; height: 3px; }
@keyframes float { 0%,100% { transform: translateY(0) scale(1); opacity: 0.15; } 50% { transform: translateY(-30px) scale(1.5); opacity: 0.3; } }
.hero .container { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(240,165,0,0.12); border: 1px solid rgba(240,165,0,0.25); padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; color: var(--secondary); font-weight: 600; margin-bottom: 32px; backdrop-filter: blur(10px); }
.hero-badge i { font-size: 0.8rem; }
.hero-title { color: var(--text-white); font-weight: 800; letter-spacing: -1px; margin-bottom: 20px; }
.hero-title span { background: linear-gradient(135deg, var(--secondary), #ffcc00); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: clamp(1.05rem, 2vw, 1.3rem); color: rgba(255,255,255,0.7); max-width: 680px; margin: 0 auto 40px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--secondary); color: var(--primary); font-weight: 700; font-size: 1rem; padding: 16px 36px; border-radius: 50px; transition: var(--transition); letter-spacing: 0.3px; }
.btn-primary:hover { background: var(--secondary-hover); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(240,165,0,0.35); }
.btn-primary i { font-size: 0.9rem; }
.btn-outline { display: inline-flex; align-items: center; gap: 10px; border: 2px solid rgba(255,255,255,0.2); color: var(--text-white); font-weight: 600; font-size: 1rem; padding: 14px 34px; border-radius: 50px; transition: var(--transition); }
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(240,165,0,0.15); }
.hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.08); flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--text-white); letter-spacing: -0.5px; }
.hero-stat-num span { color: var(--secondary); }
.hero-stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* ===== 板块通用 ===== */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-title { margin-bottom: 12px; }
.section-header .section-desc { margin: 0 auto; }

/* ===== 特色板块 ===== */
.features { background: var(--bg); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-card); border-radius: var(--radius); padding: 40px 32px; border: 1px solid var(--border); transition: var(--transition); text-align: center; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-icon { width: 64px; height: 64px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.6rem; color: var(--text-white); }
.feature-icon.blue { background: linear-gradient(135deg, #4f6ef7, #6c8af7); }
.feature-icon.gold { background: linear-gradient(135deg, var(--secondary), #ffcc00); }
.feature-icon.pink { background: linear-gradient(135deg, var(--accent), #ff6b8a); }
.feature-card h3 { margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; line-height: 1.7; }

/* ===== 分类入口 ===== */
.categories { background: var(--bg-section); }
.categories-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 340px; display: flex; align-items: flex-end; transition: var(--transition); }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: var(--transition); }
.category-card:hover .category-card-bg { transform: scale(1.08); }
.category-card-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(15,15,35,0.85) 0%, rgba(15,15,35,0.2) 60%, rgba(15,15,35,0.1) 100%); }
.category-card-content { position: relative; z-index: 2; padding: 40px 36px; width: 100%; }
.category-card .section-label { margin-bottom: 8px; }
.category-card h3 { color: var(--text-white); font-size: 1.8rem; margin-bottom: 8px; }
.category-card p { color: rgba(255,255,255,0.7); font-size: 0.95rem; max-width: 360px; margin-bottom: 20px; }
.category-link { display: inline-flex; align-items: center; gap: 8px; color: var(--secondary); font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
.category-link i { transition: var(--transition); font-size: 0.8rem; }
.category-link:hover { color: var(--secondary-hover); }
.category-link:hover i { transform: translateX(4px); }

/* ===== 最新资讯 ===== */
.news { background: var(--bg); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card { background: var(--bg-card); border-radius: var(--radius); padding: 28px 32px; border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; gap: 10px; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-card .news-category { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--secondary); background: rgba(240,165,0,0.1); padding: 4px 12px; border-radius: 50px; align-self: flex-start; }
.news-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--text); transition: var(--transition); line-height: 1.4; }
.news-card:hover h3 { color: var(--secondary); }
.news-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-date { font-size: 0.8rem; color: var(--text-light); margin-top: auto; display: flex; align-items: center; gap: 6px; }
.news-card .news-date i { font-size: 0.7rem; }
.empty-news { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 1.05rem; background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); }

/* ===== 数据统计 ===== */
.stats { background: var(--bg-dark); position: relative; overflow: hidden; }
.stats::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
.stats .container { position: relative; z-index: 2; }
.stats .section-title { color: var(--text-white); }
.stats .section-desc { color: rgba(255,255,255,0.6); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stat-item { text-align: center; padding: 24px; }
.stat-item .stat-icon { font-size: 2rem; color: var(--secondary); margin-bottom: 12px; }
.stat-item .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--text-white); letter-spacing: -1px; }
.stat-item .stat-number span { color: var(--secondary); }
.stat-item .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 6px; }

/* ===== 使用流程 ===== */
.process { background: var(--bg-section); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.process-step { text-align: center; padding: 32px 24px; position: relative; }
.process-step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--primary); color: var(--text-white); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 800; margin: 0 auto 20px; position: relative; z-index: 2; border: 3px solid var(--secondary); }
.process-step h3 { margin-bottom: 10px; }
.process-step p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; }
.process-connector { display: none; }

/* ===== FAQ ===== */
.faq { background: var(--bg); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 28px; font-size: 1rem; font-weight: 600; color: var(--text); background: none; text-align: left; transition: var(--transition); }
.faq-question:hover { color: var(--secondary); }
.faq-question i { font-size: 0.85rem; color: var(--text-light); transition: var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--secondary); }
.faq-item.open .faq-question { color: var(--secondary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 28px; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 28px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; line-height: 1.7; }

/* ===== CTA ===== */
.cta { background: var(--bg-dark); position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.06; }
.cta .container { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
.cta h2 { color: var(--text-white); font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,0.6); font-size: 1.1rem; max-width: 560px; margin: 0 auto 36px; }
.cta .btn-primary { font-size: 1.1rem; padding: 18px 44px; }
.cta .btn-primary i { font-size: 1rem; }

/* ===== 页脚 ===== */
.footer { background: var(--primary); border-top: 1px solid rgba(255,255,255,0.05); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand .header-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); max-width: 320px; line-height: 1.7; }
.footer h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-white); margin-bottom: 20px; }
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer ul a { font-size: 0.9rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer ul a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.35); margin-bottom: 0; }
.footer-bottom a { color: rgba(255,255,255,0.35); transition: var(--transition); }
.footer-bottom a:hover { color: var(--secondary); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.5); font-size: 1rem; transition: var(--transition); }
.footer-social a:hover { background: var(--secondary); color: var(--primary); transform: translateY(-3px); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    :root { --section-gap: 64px; --nav-height: 64px; }
    .header-nav { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(15,15,35,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 24px 32px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
    .header-nav.open { display: flex; }
    .header-nav a { font-size: 1.05rem; padding: 8px 0; width: 100%; }
    .header-search { display: none; }
    .header-search.mobile-visible { display: flex; width: 100%; margin: 8px 0; }
    .header-search input { width: 100%; }
    .header-cta { padding: 8px 18px; font-size: 0.85rem; }
    .header-cta span { display: none; }
    .mobile-toggle { display: flex; }
    .hero { min-height: 80vh; }
    .hero .container { padding: 60px 20px; }
    .hero-stats { gap: 24px; }
    .hero-stat-num { font-size: 1.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .category-card { min-height: 260px; }
    .news-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; gap: 24px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-item .stat-number { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .section-header { margin-bottom: 36px; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 0.95rem; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn-primary, .btn-outline { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .news-card { padding: 20px 24px; }
    .faq-question { padding: 16px 20px; font-size: 0.95rem; }
    .category-card-content { padding: 28px 24px; }
    .category-card h3 { font-size: 1.4rem; }
}

/* roulang page: article */
/* ========== Design Variables ========== */
        :root {
            --primary: #6366f1;
            --primary-light: #818cf8;
            --primary-dark: #4f46e5;
            --primary-bg: rgba(99, 102, 241, 0.07);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --accent-light: #34d399;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --dark-3: #334155;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --text-white: #ffffff;
            --bg-body: #ffffff;
            --bg-section: #f8fafc;
            --bg-card: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ========== Container ========== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .header-logo:hover {
            color: var(--primary);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            position: relative;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
        }
        .header-nav a:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .header-nav a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
        }
        .header-nav a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--gray-100);
            border-radius: 40px;
            padding: 0 16px;
            height: 40px;
            border: 1px solid transparent;
            transition: border var(--transition), background var(--transition);
            min-width: 180px;
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }
        .search-box i {
            color: var(--gray-400);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .search-box input::placeholder {
            color: var(--gray-400);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(99, 102, 241, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-secondary);
            border: 1.5px solid var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px;
        }

        /* ========== Article Detail ========== */
        .article-detail {
            padding: 48px 0 80px;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--gray-500);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--gray-500);
        }
        .article-breadcrumb a:hover {
            color: var(--primary);
        }
        .article-breadcrumb .separator {
            color: var(--gray-300);
        }
        .article-breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        .article-header {
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--gray-500);
        }
        .article-meta .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
        }
        .article-meta .badge.accent {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent);
        }
        .article-meta i {
            margin-right: 4px;
            opacity: 0.7;
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-featured-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 7;
            background: var(--gray-100);
        }
        .article-featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-content {
            max-width: 820px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 1.6rem;
            margin: 1.8em 0 0.6em;
            color: var(--text-primary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin: 1.4em 0 0.5em;
            color: var(--dark-2);
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.4em;
            padding-left: 1.6em;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.4em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body code {
            background: var(--gray-100);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body pre {
            background: var(--dark);
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.6em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body .wp-caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray-500);
            margin: 1.2em 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--gray-100);
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            background: var(--gray-100);
            color: var(--text-secondary);
            font-weight: 500;
            transition: all var(--transition);
            max-width: 48%;
        }
        .article-nav a:hover {
            background: var(--primary-bg);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .article-nav .nav-next {
            text-align: right;
            margin-left: auto;
        }

        /* Not Found */
        .article-not-found {
            text-align: center;
            padding: 80px 0;
        }
        .article-not-found i {
            font-size: 3.6rem;
            color: var(--gray-300);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--gray-500);
            margin-bottom: 24px;
        }

        /* ========== Related / CTA ========== */
        .related-section {
            background: var(--bg-section);
            padding: 60px 0;
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card .card-img {
            aspect-ratio: 16 / 9;
            background: var(--gray-100);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h3 a {
            color: var(--text-primary);
        }
        .related-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card .card-body .meta {
            font-size: 0.85rem;
            color: var(--gray-400);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card .card-body .meta .badge {
            font-size: 0.75rem;
            padding: 2px 10px;
            border-radius: 40px;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 600;
        }

        .cta-section {
            padding: 60px 0;
            background: var(--dark);
            color: var(--text-white);
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--gray-400);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            background: var(--secondary);
            color: var(--dark);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
        }
        .cta-section .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--dark-2);
            color: var(--gray-400);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .header-logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .header-logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: var(--gray-400);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        .footer ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.88rem;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--gray-400);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .header-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }
            .header-nav.open {
                display: flex;
            }
            .header-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

            .mobile-toggle {
                display: block;
            }

            .search-box {
                min-width: 120px;
                height: 36px;
                padding: 0 12px;
            }
            .search-box input {
                width: 80px;
            }

            .header-actions .btn {
                display: none;
            }

            .article-detail {
                padding: 32px 0 60px;
            }
            .article-header h1 {
                font-size: 1.65rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
            }
            .article-featured-image {
                aspect-ratio: 16 / 9;
            }
            .article-body {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 1rem;
            }

            .article-nav a {
                max-width: 100%;
                width: 100%;
            }
            .article-nav {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-header h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-tags .tag {
                font-size: 0.8rem;
                padding: 4px 14px;
            }
            .search-box {
                min-width: 90px;
            }
            .search-box input {
                width: 60px;
            }
        }

        /* ========== Utility ========== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #818cf8;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-section-alt: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-white: #ffffff;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 头部 / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .header-logo i {
            font-size: 26px;
            color: var(--accent);
        }
        .header-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover {
            opacity: 0.85;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .header-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2.5px;
            background: var(--primary);
            border-radius: 4px;
            transition: width var(--transition);
        }
        .header-nav a:hover {
            color: var(--primary);
        }
        .header-nav a:hover::after {
            width: 100%;
        }
        .header-nav a.active {
            color: var(--primary);
        }
        .header-nav a.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-section-alt);
            border-radius: 40px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 0;
            width: 160px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            border-radius: 40px;
            background: var(--primary);
            color: var(--text-white) !important;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
            border: none;
            cursor: pointer;
        }
        .btn-cta i {
            font-size: 14px;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            border-radius: 40px;
            border: 2px solid var(--border);
            color: var(--text-secondary);
            background: transparent;
            transition: border-color var(--transition), color var(--transition), transform var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .mobile-toggle:hover {
            background: var(--bg-section-alt);
        }

        @media (max-width: 820px) {
            .header-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.35s ease, opacity 0.3s ease;
                align-items: stretch;
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .header-nav a {
                padding: 14px 0;
                border-bottom: 1px solid var(--border-light);
                font-size: 16px;
            }
            .header-nav a:last-child {
                border-bottom: none;
            }
            .header-nav a::after {
                display: none;
            }
            .header-nav a.active {
                color: var(--primary);
                font-weight: 600;
            }
            .mobile-toggle {
                display: block;
            }
            .search-box input {
                width: 120px;
            }
            .btn-cta span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .search-box {
                display: none;
            }
            .header-actions {
                gap: 8px;
            }
            .header-logo {
                font-size: 18px;
            }
            .header-logo i {
                font-size: 20px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 0.6s ease;
        }
        .page-hero:hover .hero-bg {
            transform: scale(1);
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.70) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .page-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 18px;
            color: var(--text-on-dark);
            max-width: 640px;
            margin: 0 auto 28px;
            opacity: 0.9;
        }
        .page-hero .hero-search {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: 48px;
            padding: 4px 4px 4px 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            max-width: 480px;
            width: 100%;
        }
        .page-hero .hero-search i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            margin-right: 10px;
        }
        .page-hero .hero-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 14px 0;
            font-size: 15px;
            color: var(--text-white);
            outline: none;
            min-width: 0;
        }
        .page-hero .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .page-hero .hero-search button {
            padding: 10px 28px;
            border-radius: 40px;
            background: var(--accent);
            color: #0f172a;
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
            flex-shrink: 0;
        }
        .page-hero .hero-search button:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0 52px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero p {
                font-size: 16px;
            }
            .page-hero .hero-search {
                flex-wrap: wrap;
                padding: 4px;
                background: rgba(255, 255, 255, 0.08);
            }
            .page-hero .hero-search input {
                padding: 12px 16px;
                width: 100%;
            }
            .page-hero .hero-search button {
                width: 100%;
                padding: 12px;
                margin-top: 4px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero p {
                font-size: 14px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: var(--text-white);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-sub {
            font-size: 16px;
            text-align: center;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 48px;
        }
        .section-dark .section-sub {
            color: var(--text-on-dark);
            opacity: 0.75;
        }

        .section-title i {
            color: var(--accent);
            margin-right: 10px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-sub {
                font-size: 14px;
                margin-bottom: 32px;
            }
        }

        /* ===== 分类标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .filter-tabs .tab {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-tabs .tab:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(79, 70, 229, 0.04);
        }
        .filter-tabs .tab.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .game-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-section-alt);
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.06);
        }
        .game-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #0f172a;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .game-card .card-badge.hot {
            background: #ef4444;
            color: #fff;
        }
        .game-card .card-badge.new {
            background: #10b981;
            color: #fff;
        }
        .game-card .card-body {
            padding: 18px 20px 22px;
        }
        .game-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card .card-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .game-card .card-body .meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .game-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card .card-footer {
            padding: 12px 20px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
        }
        .game-card .card-footer .rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
        }
        .game-card .card-footer .rating i {
            color: var(--accent);
        }
        .game-card .card-footer .btn-card {
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: background var(--transition), transform var(--transition);
            border: none;
            cursor: pointer;
        }
        .game-card .card-footer .btn-card:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 620px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .game-card .card-body h3 {
                font-size: 16px;
            }
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .rank-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
        }
        .rank-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-muted);
            min-width: 36px;
            text-align: center;
            font-feature-settings: "tnum";
        }
        .rank-item:nth-child(1) .rank-num {
            color: var(--accent);
        }
        .rank-item:nth-child(2) .rank-num {
            color: var(--primary-light);
        }
        .rank-item:nth-child(3) .rank-num {
            color: #d97706;
        }
        .rank-item .rank-cover {
            width: 58px;
            height: 58px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-section-alt);
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .rank-item .rank-info .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .rank-item .rank-info .tags span {
            background: var(--bg-section-alt);
            padding: 2px 10px;
            border-radius: 12px;
        }
        .rank-item .rank-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

        @media (max-width: 600px) {
            .rank-item {
                padding: 12px 14px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .rank-item .rank-cover {
                width: 48px;
                height: 48px;
            }
            .rank-item .rank-info h4 {
                font-size: 14px;
            }
            .rank-item .rank-score {
                font-size: 16px;
            }
        }

        /* ===== 新游预告 ===== */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .timeline-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 20px 20px;
            border: 1px solid var(--border);
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .timeline-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .timeline-card .date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .timeline-card .icon {
            font-size: 36px;
            color: var(--primary-light);
            margin-bottom: 10px;
        }
        .timeline-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-card p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        @media (max-width: 900px) {
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .timeline-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 评测区块 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 22px 22px;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .review-card .review-avatar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .review-card .review-avatar img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--bg-section-alt);
        }
        .review-card .review-avatar .name {
            font-weight: 600;
            font-size: 15px;
        }
        .review-card .review-avatar .stars {
            color: var(--accent);
            font-size: 13px;
        }
        .review-card blockquote {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            border-left: 3px solid var(--primary-light);
            padding-left: 14px;
        }

        @media (max-width: 900px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            padding: 4px 0;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 18px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px 0 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 500px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 16px;
            background: var(--text-white);
            color: var(--primary) !important;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .btn-cta-white {
                padding: 12px 28px;
                font-size: 14px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .header-logo {
            margin-bottom: 14px;
        }
        .footer-brand .header-logo span {
            -webkit-text-fill-color: #fff;
            background: none;
            color: #fff;
        }
        .footer-brand .header-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .footer ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 16px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 辅助 ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== 滚动渐入动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --primary-gradient: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
            --accent: #fd79a8;
            --accent-dark: #e84393;
            --accent-gradient: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
            --bg: #0f0e17;
            --bg-card: #1a1932;
            --bg-card-hover: #232146;
            --bg-elevated: #1f1e3a;
            --text: #fffffe;
            --text-secondary: #b8b5d4;
            --text-muted: #6e6b8a;
            --border: #2d2b50;
            --border-light: #3d3b60;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 14, 23, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text) !important;
            letter-spacing: -0.3px;
            transition: opacity var(--transition);
        }
        .header-logo i {
            font-size: 1.5rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover {
            opacity: 0.85;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .header-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .header-nav a.active {
            color: var(--text);
            background: rgba(108, 92, 231, 0.15);
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 6px 16px 6px 18px;
            gap: 8px;
            transition: all var(--transition);
            min-width: 180px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
            background: var(--bg-card-hover);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text);
            font-size: 0.875rem;
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-header-cta {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.875rem;
            font-weight: 600;
            transition: all var(--transition);
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(160deg, #1a1932 0%, #0f0e17 60%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .page-hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .hero-tags .tag i {
            color: var(--primary-light);
            font-size: 0.8rem;
        }
        .hero-tags .tag:hover {
            background: rgba(108, 92, 231, 0.15);
            border-color: var(--primary);
            color: var(--text);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 18px 0 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 70px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-desc {
            margin: 0 auto;
        }

        /* ===== Version Cards Grid ===== */
        .version-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .version-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .version-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .version-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }
        .version-card:hover::before {
            opacity: 1;
        }

        .version-card .card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
        }
        .version-card .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(108, 92, 231, 0.2);
        }
        .version-card .card-badge.hot {
            background: rgba(253, 121, 168, 0.15);
            color: var(--accent);
            border-color: rgba(253, 121, 168, 0.2);
        }
        .version-card .card-badge.new {
            background: rgba(0, 206, 201, 0.15);
            color: #00cec9;
            border-color: rgba(0, 206, 201, 0.2);
        }
        .version-card .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .version-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .version-card h3 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .version-card h3 a:hover {
            color: var(--primary-light);
        }
        .version-card .card-game {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .version-card .card-game i {
            color: var(--accent);
            font-size: 0.75rem;
        }
        .version-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .version-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .version-card .card-footer .version-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 12px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.05);
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-muted);
            font-family: monospace;
        }
        .version-card .card-footer .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .version-card .card-footer .read-more:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== Timeline Section ===== */
        .timeline-section {
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-card) 100%);
        }

        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 780px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 8px;
            bottom: 8px;
            width: 2.5px;
            background: var(--border);
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 36px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item .dot {
            position: absolute;
            left: -34px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary-gradient);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-item .dot.hot {
            background: var(--accent-gradient);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline-item time {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            font-family: monospace;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== Highlights ===== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .highlight-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
        }
        .highlight-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .highlight-item .icon {
            font-size: 2rem;
            margin-bottom: 14px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .highlight-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .highlight-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: background var(--transition);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            color: var(--primary-light);
            font-size: 0.9rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #1a1932 0%, #0f0e17 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .cta-box {
            text-align: center;
            padding: 40px 20px;
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 40px;
            background: var(--primary-gradient);
            color: #fff !important;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(108, 92, 231, 0.4);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 40px;
            background: transparent;
            color: var(--text) !important;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid var(--border);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            background: rgba(108, 92, 231, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0c0b14;
            border-top: 1px solid var(--border);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand .header-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 28px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.25);
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15, 14, 23, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
            z-index: 99;
            transform: translateY(-110%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-nav.open {
            transform: translateY(0);
        }
        .mobile-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text);
        }
        .mobile-nav a.active {
            color: var(--text);
            background: rgba(108, 92, 231, 0.12);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .version-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .header-nav {
                display: none;
            }
            .search-box {
                min-width: 120px;
            }
            .search-box input {
                width: 80px;
            }
            .btn-header-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }

            .page-hero {
                padding: 60px 0 40px;
                min-height: 240px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 1rem;
            }

            .section {
                padding: 50px 0;
            }
            .version-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 10px;
            }
            .timeline-item .dot {
                left: -24px;
                width: 12px;
                height: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header .container {
                gap: 8px;
            }
            .header-logo {
                font-size: 1.05rem;
                gap: 6px;
            }
            .header-logo i {
                font-size: 1.2rem;
            }
            .search-box {
                min-width: 90px;
                padding: 4px 12px 4px 14px;
            }
            .search-box input {
                width: 50px;
                font-size: 0.8rem;
            }
            .btn-header-cta {
                padding: 5px 12px;
                font-size: 0.75rem;
            }

            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
            .hero-tags .tag {
                font-size: 0.75rem;
                padding: 4px 12px;
            }

            .version-card {
                padding: 20px 16px 18px;
            }
            .version-card h3 {
                font-size: 1rem;
            }

            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }

            .cta-box h2 {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.85rem;
            }
            .footer {
                padding: 36px 0 20px;
            }
        }

        @media (min-width: 769px) {
            .mobile-nav {
                display: none !important;
            }
        }

        /* ===== Accessibility & Misc ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }
        ::selection {
            background: rgba(108, 92, 231, 0.3);
            color: #fff;
        }